abstract |
The present invention relates to an organic electroluminescent device using an organic electroluminescent compound, and in particular to an organic electroluminescent device comprising an organic layer interposed between a cathode and an anode above a substrate, wherein the organic layer comprises an electroluminescent A luminescent layer having one or more host compounds represented by chemical formula (1) and one or more dopant compounds represented by chemical formula (2): chemical formula 1 chemical formula 2 The organic electroluminescent devices of the present invention exhibit long lifetime, high efficiency and high brightness, good color purity and low operating voltage, and enhanced device stability. |